Buyer's guide

Best Email Security software for Startup (1-50)

4 email security tools that fit Startup (1-50), ranked. Compare fit and pricing, or start from the full email security guide.

4 matching toolsStartup (1-50)

We feature a ranked guide for this segment once at least 8 matching tools have complete profiles. For now, see the broader best email security software list.

1
Valimail
Email Security
Automated email authentication platform enabling zero-trust DMARC enforcement, BIMI implementation, and phishing prevention for enterprise senders.
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2
Dmarcian
Email Security
DMARC management platform helping organizations deploy and maintain email authentication protocols with visual reporting and expert guidance.
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3
Virtru
Data Privacy Platforms
Data-centric email encryption and privacy platform enabling end-to-end encryption for email and file sharing across Google and Microsoft platforms.
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4
Sophos
Cybersecurity
Sophos provides next-generation cybersecurity including endpoint protection, network security, email security, and cloud security with AI-powered threat detection.
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5
Sendmarc
Email Security
DMARC, DKIM and SPF management platform
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6
Wizer
Security Awareness Training Platforms
Short, bite-sized security awareness training videos
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7
DMARCLY
Email Deliverability
Affordable DMARC reporting and analysis for SMBs
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8
Paubox
Email Security
HIPAA-compliant email encryption and anti-phishing platform protecting healthcare organizations and their patient data.
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9
CanIPhish
Phishing Simulation Platforms
Free and paid phishing simulation and awareness training
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Frequently asked

What is the best email security software for Startup (1-50)?

The list above ranks 4 email security tools that fit Startup (1-50), ordered so the most complete, vendor-maintained profiles surface first. Open any profile for pricing and fit detail.